Love, knishes, and best wishes from this legendary Lower East Side bakery.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

Nikola Tesla's former home contains an homage hidden from plain sight.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

One of the last Jazz Age "Wonder Theaters" in New York City.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

The oldest surviving synagogue in New York City is now a soaring art space.

Nondescript elevator doors open to reveal a stunning, surreal world.

A celebration of capitalism in Midtown.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

A very classy 1920s-era bar right in Grand Central Station.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

Become a prohibition rebel.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

The "Seinfeld" diner.